Chair frame



FIG. 1 is a top elevation view of a chair frame showing my new design;

FIG. 2 is a front elevation of the chair frame of FIG. 1;

FIG. 3 is a side elevation of the left side of the chair frame of FIG. 1;

FIG. 4 is a rear elevation view of the chair frame of FIG. 1;

FIG. 5 is a side elevation of the right side of the chair frame of FIG. 1;

FIG. 6 is a bottom elevation view of the chair frame of FIG. 1;

FIG. 7 is a front perspective view of the chair frame of FIG. 1;

FIG. 8 is an enlarged fragmentary view of the back rest; and,

FIG. 9 is an enlarged fragmentary view of one of the openings shown on the side and front stretchers. 

The ornamental design for a chair frame, as shown and described. 